Answer:
To burrow through the earth, a worm will flex its circular and longitudinal muscles to make itself long, then will extend the setae on its anterior, or front end to anchor itself in the earth. It will then contract its muscles to make its body short and bring the posterior, or back end, closer to the front.
The five successive stages of coal
formation are as follows:
step 1: plants decay
step 2: peat is formed
step 3: peat changes to lignite (soft
brown coal made from peat)
step 4: bituminous coal is formed
(black and brittle and very polluting)
<span>step 5: anthracite coal is formed
(highest amount of carbon and clean burning)</span>
Process in which there is an increase in the number of people living and working in a city or metropolitan area. urban sprawl.
Answer:
A. a = 25 N
B. b = 20 N
C. c = 5 Kg
D. d = 5 
E. e = 4 Kg
F. f = 25
Explanation:
<u>Second Law of Motion</u> : It states that force is directly proportional to rate of change of momentum in the absence of any external unbalanced force .
Force is equal to product of mass and acceleration.
A.
Use 
, here m= 5.0 Kg and a = 5.0
F = 25 N
B.Use , here m =2.0 Kg and a = 10
F = 20 N
C.
Use 
, here F = 10.0 N and a = 2.0
m = 5 Kg
D.
Use 
, here F = 50.0 N and m = 10.0 Kg
a = 5
E.
Use , here F = 100.0 N and a = 25
m = 4 Kg
F.
Use , here F = 1000.0 N and m = 40.0 Kg
a = 25
